阿摩線上測驗
1. The doctors said that the patient ____ his vaccine booster to avoid catching the flu. As a result, his recovery took longer than expected.
(A) should have had
(B) must have
(C) was having
(D) having had
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統計： A(18), B(0), C(0), D(1), E(0) #3421686
統計： A(18), B(0), C(0), D(1), E(0) #3421686
